6153Chemical EngineeringMedium
What is the critical rotation speed in revolutions per second, for a ball mill of 1.2 m diameter charged with 70 mm dia balls?
A0.5
B0.66
C1.0
D2.76
Correct answer
B. 0.66
Explanation
The correct answer is 0.66.
Correct answer
B. 0.66
Explanation
The correct answer is 0.66.
Both white phosphorous as well as red phosphorous________?
Unit of molal diffusivity is________?
If 1.5 moles of oxygen combines with aluminium to form Al2O3, then the weight of aluminium (atomic weight = 27) used in this reaction is ________ gm?
Unit of surface tension in S.I. unit is________?
Baffle spacing is generally ________ the I.D. of the shell?
Heat is added at constant pressure in an ideal ________ cycle?